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  1. #include<iostream>
  2. #include<cstring>
  3. using namespace std;
  4. class CHuman{
  5. private:
  6. 	char* mName;
  7. 	int mAge;
  8. public:
  9. 	CHuman(){
  10. 		mAge = 0;
  11. 	}
  12. 	~CHuman(){
  13. 		mAge = 0;
  14. 		//delete[] mName;           // 請問這個delete[] 是成功運作的嗎? //delete之後結果會出問題，程式會直接結束 
  15. 	}
  16. 	void SetName(const char* name){
  17. 		mName = new char[strlen(name)+1];
  18. 		strcpy(mName, name);
  19. 	}
  20. 	char* GetName(){
  21. 		return mName;
  22. 	}
  23. 	void SetAge(int age){
  24. 		mAge = age;
  25. 	}
  26. 	int GetAge(){
  27. 		return mAge;
  28. 	}
  29. };
  30. class CEmployee: public CHuman{
  31. private:
  32. 	char* mId;
  33. public:
  34. 	CEmployee(){
  35. 	}
  36. 	~CEmployee(){
  37. 	}
  38. 	void SetId(const char* id){
  39. 		mId = new char[strlen(id)+1];
  40. 		strcpy(mId, id);
  41. 	}
  42. 	char* GetId(){
  43. 		return mId;
  44. 	}
  45. };
  46. class CEmployees{
  47. private:
  48. 	CEmployee* mEmployees;
  49. 	int count;
  50. public:
  51. 	CEmployees(){
  52. 	    count = 0;
  53. 		mEmployees = new CEmployee[count+1];//請問這行可以省略嗎 如果不在建構的時候就設置空間 是不是就不能成功Add第一筆 
  54. 	}
  55. 	~CEmployees(){
  56. 		delete[] mEmployees;
  57. 	}
  58. 	void Add(const CEmployee Employee){
  59. 		CEmployee* NewEmployees;
  60. 		NewEmployees = new CEmployee[count+1];
  61. 		for(int index=0; index<count; ++index){
  62. 			NewEmployees[index] = mEmployees[count];
  63. 		}
  64. 		delete[] mEmployees;
  65. 		mEmployees = new CEmployee[count+1];
  66. 		mEmployees = NewEmployees;
  67. 		mEmployees[count] = Employee;
  68. 		count++;
  69. 	}
  70. 	CEmployee Get(char* id){
  71. 		for(int index=0; index<count; ++index){
  72. 			if(strcmp(id, mEmployees[index].GetId()) == 0)
  73. 				return mEmployees[index];
  74. 		}
  75. 		return CEmployee();
  76. 	}
  77. };
  78. int main(){
  79. 	CEmployee Employee;
  80. 	CEmployees Employees; 
  81. 	int act;
  82. 	while(1){
  83. 		cout<<"1.新增員工\n2.查詢員工\n請輸入數字: ";
  84. 		cin>>act;
  85. 		if(act!=3){
  86. 			switch(act){
  87. 				case 1:{
  88. 					char* name = new char[1];
  89. 					char* id = new char[1];
  90. 					int age = 0;
  91. 					cout<<"請輸入資料！\n姓名: ";
  92. 					cin>>name;
  93. 					Employee.SetName(name);
  94. 					cout<<"年齡: ";
  95. 					cin>>age;
  96. 					Employee.SetAge(age);
  97. 					cout<<"員工ID: ";
  98. 					cin>>id;
  99. 					Employee.SetId(id);
  100. 					Employees.Add(Employee);
  101. 					cout<<"Finish !\n";
  102. 					break;
  103. 				}
  104. 				case 2:{
  105. 					char* id = new char[1];
  106. 					cout<<"請輸入要查詢的員工ID: ";
  107. 					cin>>id;
  108. 					cout<<"姓名\t年齡\t員工ID\n";
  109. 					cout<<Employees.Get(id).GetName()<<"\t"<<Employees.Get(id).GetAge()<<"\t"<<Employees.Get(id).GetId()<<endl;
  110. 					break;
  111. 				}
  112. 			}
  113. 		}
  114. 		else 
  115. 			break;
  116. 	}
  117. 	return 0;
  118. }
  119.  
  120.  
Success #stdin #stdout 0s 4420KB
comments (?)
stdin 
1
kevin 19 A99999
2
A99999
3
stdout 
1.新增員工
2.查詢員工
請輸入數字: 請輸入資料！
姓名: 年齡: 員工ID: Finish !
1.新增員工
2.查詢員工
請輸入數字: 請輸入要查詢的員工ID: 姓名	年齡	員工ID
kevin	19	A99999
1.新增員工
2.查詢員工
請輸入數字:
https://ideone.com/e0fFAE
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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